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Hormonal health & period concerns
in the reproductive years
The reproductive years can bring a wide range of menstrual, hormonal and reproductive health concerns.
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Irregular or painful periods, premenstrual symptoms, and skin or hair changes can have many possible causes. You may also have questions about contraception, fertility or other aspects of your reproductive health.
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Understanding what may be contributing to your symptoms can help you recognise when further assessment may be needed and feel more informed about your health.
Hormonal changes explained. Clarity through every stage.
What this page covers
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why periods can become heavy or irregular
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what can cause painful periods
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when PMS symptoms may need further assessment
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what PMOS is and how it can affect you
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why adult acne can develop
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common causes of hair loss or thinning
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how to choose contraception that suits you
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what to know about fertility during the reproductive years
Understanding your reproductive years
The reproductive years begin after puberty and continue until the menopause transition. During this time, the menstrual cycle is influenced by changing levels of hormones including oestrogen and progesterone.
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Periods can vary naturally from one woman to another, but a significant or persistent change in your usual pattern may have a number of possible causes. These can include hormonal changes, contraception, stress, changes in weight, PMOS and conditions affecting the uterus, ovaries or other parts of the reproductive system.
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Other concerns such as painful periods, significant PMS symptoms, acne or hair loss may also have several possible causes. Understanding the pattern of your symptoms and how they relate to your menstrual cycle can help guide appropriate assessment.
Your reproductive health
Your periods, hormones, skin, hair, contraception and fertility are all connected to your reproductive health, but changes in one area do not always have the same cause.
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Understanding your individual symptoms, their timing and how they relate to your menstrual cycle can help identify when further assessment may be appropriate. Good reproductive healthcare is about understanding what is happening and making informed choices that fit your health and circumstances.
Common concerns during the reproductive years
Concerns can vary widely, but may include:
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changes in the timing, duration or flow of periods
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painful periods
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heavy or irregular bleeding
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PMS symptoms that affect daily life
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PMOS
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adult acne
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hair thinning or hair loss
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questions about contraception
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questions about fertility
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Some symptoms may be linked to hormonal changes, while others may have different underlying causes. Persistent, severe or changing symptoms are worth discussing with a healthcare professional.
Individual concerns. Clearer understanding.
Common questions about reproductive health
Many women have similar questions about their periods, hormones, skin, hair, contraception and fertility. These answers provide a clear starting point, with more detailed information available on each topic.
What could cause my periods to become irregular or heavy?
Periods can change in their timing, duration or flow for many reasons. Hormonal changes, contraception, stress, changes in weight and conditions such as PMOS can all affect the menstrual cycle.
→ Why your periods may have become irregular or heavy and when to seek help
Why are my periods so painful?
Period pain is common, but severe or changing pain can sometimes be linked to an underlying condition such as endometriosis or adenomyosis. Understanding the pattern and severity of your pain can help determine whether further assessment is needed.
→ Why periods can be painful and when to investigate further
Why are my PMS symptoms so severe?
PMS can cause physical and emotional symptoms in the week or two before a period. When symptoms are severe or regularly interfere with everyday life, further assessment can help distinguish PMS from conditions such as premenstrual dysphoric disorder (PMDD).
Could I have PMOS?
PMOS can affect menstrual cycles, ovulation, skin and hair and fertility. It can present differently from one woman to another, so assessment involves looking at the overall pattern of symptoms rather than relying on one symptom alone.
Why am I getting acne as an adult?
Adult acne can continue from earlier years or develop for the first time in adulthood. Hormonal influences can contribute, but acne can have several causes and is not necessarily a sign of a hormonal disorder.
→ Why adult acne happens and when hormones may be involved
Why am I losing my hair?
Hair thinning or hair loss can have many possible causes including hormonal changes, nutritional factors, medical conditions, stress and inherited patterns of hair loss. Identifying the pattern and timing of hair loss can help determine what may be contributing.
How do I know which contraception is right for me?
There are many contraceptive options, including hormonal and non-hormonal methods. The right choice depends on factors such as your health, lifestyle, preferences, future pregnancy plans and whether you also want help with concerns such as painful or heavy periods.
What should I know about my fertility?
Fertility is influenced by age, ovulation, reproductive health and other factors. Understanding your menstrual cycle, when ovulation occurs and factors that may affect fertility can help you make informed decisions about pregnancy planning.
→ What to know about fertility during your reproductive years
How the reproductive years fit into the hormonal transition
The reproductive years follow puberty and come before menopause. During this time, menstrual cycles and reproductive hormones continue to play an important role in women’s health.
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Understanding where the reproductive years fit within this broader journey can make it easier to recognise changes over time and understand what to expect as your body moves through different stages.
Reproductive years → Perimenopause → Menopause milestone → Postmenopause
Understanding your body during the reproductive years
Changes during the reproductive years can sometimes be difficult to interpret, particularly when symptoms overlap or change over time.
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Information about periods, hormonal changes, PMOS, PMS, skin, hair, contraception and fertility can help you understand what may be happening and when it may be worth seeking further assessment.